Diamond core bits are used for geological exploration and core sampling drilling, compatible with NQ, HQ and PQ standard systems, and suitable for wireline core drilling rigs. Available manufacturing processes include Impregnated, Hot-Pressed, Sintered and Surface Set types, which can be customized by matching matrix hardness and diamond grade to different formations. Applicable rock formations include sandstone, limestone, dolomite, shale, basalt, andesite, granite, diorite, gabbro, quartzite and quartz-vein-bearing hard rocks.
Learn about our products
| Diamond Core Bit Specifications | |||||
|---|---|---|---|---|---|
| Series | Available Type | OD (mm) | ID (mm) | Core Dia. (mm) | Recommended Formations |
| NQ | Impregnated / Hot-Pressed / Sintered / Surface Set | 75.3 | 47.6 | 47.6 | Sandstone, Limestone, Dolomite, Shale |
| NQ | Impregnated / Hot-Pressed / Sintered / Surface Set | 75.7 | 47.6 | 47.6 | Basalt, Andesite, Granite (Medium–Hard to Hard) |
| HQ | Impregnated / Hot-Pressed / Sintered / Surface Set | 96.1 | 63.5 | 63.5 | Limestone, Dolomite, Sandstone, Conglomerate |
| HQ | Impregnated / Hot-Pressed / Sintered / Surface Set | 96.7 | 63.5 | 63.5 | Granite, Diorite, Gabbro (Hard Rock) |
| PQ | Impregnated / Hot-Pressed / Sintered / Surface Set | 122.6 | 85.0 | 85.0 | Quartzite, Granite, Quartz-vein Hard Rock (Deep Hole) |
Tangshan Polarislink Advanced Materials Technology Co., Ltd. was established in 1996 and is located in Tangshan, Hebei Province, China. The company is a source manufacturer specializing in wear parts for mining machinery. Relying on its own core factory, the company has been deeply engaged in heavy manufacturing for nearly 30 years, forming a stable industrial foundation centered on manufacturing capability.
The main products include high manganese steel hammers, jaw plates, bushings, mantles, impact plates, high chromium blow bars, cast steel bushings （Mn13/Mn13Cr2，Mn18/Mn18cr2，Mn22/Mn22Cr2） and various other wear-resistant castings, which are widely used in mining crushing, sand and aggregate production, cement and building materials industries. The company is certified by CE and ISO9001, and is capable of long-term batch supply and high-standard customized delivery.
The manufacturing base covers about 100,000 square meters, with a building area of 36,000 square meters, and is equipped with a complete production system including melting, casting, machining, heat treatment and final inspection. With 11 medium-frequency furnaces of 2–10 tons, 2 refining furnaces of 25 tons, 18 heat-treatment furnaces and more than 30 large CNC machines, the annual comprehensive capacity exceeds 50,000 tons, enabling stable production of large, high-strength and high-wear-resistant industrial castings.Official website address:https://www.polarislink.net/
